<template>
  <div class="chooser-component">
      <ul class="chooser-list">
          <li v-for="(item,index) in selections"
          :title="item.label"
          @click="onchoose(index)"
          :class="{active:index==nowIndex}"
          >
          {{item.label}}</li>
      </ul>
  </div>
</template>

<script>
export default {
    props:{
        selections:{
            type:Array,
            default:[
                {
                    label:'test',
                    value: 0
                }
            ]
        }
    },
    data(){
      return{
          nowIndex : 0
      }
  },
  methods:{
      onchoose(index){
          this.nowIndex = index;
          this.$emit('on-change', this.selections[index])
      }
  }
}
</script>

<style scoped>
.chooser-component {
  position: relative;
  display: inline-block;
}
.chooser-list li{
  display: inline-block;
  border: 1px solid #e3e3e3;
  height: 25px;
  line-height: 25px;
  padding: 0 8px;
  margin-right: 5px;
  border-radius: 3px;
  text-align: center;
  cursor: pointer;
}
.chooser-list li.active {
  border-color: #4fc08d;
  background: #4fc08d;
  color: #fff;
}
</style>
